/**
 * Portfolio — Junjie Wu
 * styles.css — Design system, layout, components & animations
 *
 * Sections: Reset, Hero, Projects, Skills, Experience, Awards,
 *           Media, Tech Stack, About, Contact, Footer, Responsive
 *
 * © 2025 Junjie Wu
 */

/* ===================================
   RESET & BASE STYLES
   =================================== */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

:root {
    /* Color Palette */
    --color-bg-primary: #0a0e1a;
    --color-bg-secondary: #111827;

    --color-primary: #00d9ff;
    --color-secondary: #0080ff;
    --color-accent: #ff0080;

    --color-text-primary: #ffffff;
    --color-text-secondary: #a0aec0;

    --color-border: #2d3748;

    /* Spacing */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 1.5rem;
    --spacing-lg: 2rem;
    --spacing-xl: 3rem;
    --spacing-2xl: 4rem;
    --spacing-3xl: 6rem;

    /* Typography */
    --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;

    /* Transitions */
    --transition-base: 250ms ease-in-out;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-family);
    background-color: var(--color-bg-primary);
    color: var(--color-text-primary);
    line-height: 1.6;
    overflow-x: hidden;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 var(--spacing-md);
}

/* ===================================
   HERO SECTION
   =================================== */
.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    padding: var(--spacing-3xl) 0;
    background: var(--color-bg-primary);
}

.hero-background {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: radial-gradient(circle at 50% 50%, rgba(0, 217, 255, 0.1) 0%, transparent 50%);
    pointer-events: none;
}

.hero-content {
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-title {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 300;
    line-height: 1.3;
    margin-bottom: var(--spacing-xl);
    letter-spacing: -0.02em;
}

.gradient-text {
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    font-weight: 700;
}

.hero-visual {
    margin: var(--spacing-xl) 0;
    display: flex;
    justify-content: center;
}

.hero-graph {
    max-width: 500px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 30px rgba(0, 217, 255, 0.3));
}

.social-links {
    display: flex;
    gap: var(--spacing-md);
    justify-content: center;
    margin-top: var(--spacing-2xl);
}

.social-link {
    width: 48px;
    height: 48px;
    border-radius: 12px;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--color-border);
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-text-secondary);
    transition: all var(--transition-base);
    text-decoration: none;
}

.social-link:hover {
    background: rgba(0, 217, 255, 0.1);
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
}

.hero-cta-text {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    margin-top: var(--spacing-lg);
}

/* ===================================
   SECTION STYLES
   =================================== */
.section {
    padding: var(--spacing-3xl) 0;
}

.section-title {
    font-size: clamp(2rem, 4vw, 3rem);
    font-weight: 700;
    text-align: center;
    margin-bottom: var(--spacing-2xl);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.section-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1rem;

    margin-top: calc(var(--spacing-xl) * -1);
    margin-bottom: var(--spacing-2xl);
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

/* ===================================
   PROJECTS SECTION
   =================================== */
.projects-section {
    background: var(--color-bg-primary);
}

.project-showcase {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-2xl);
    align-items: center;
    margin-bottom: var(--spacing-3xl);
    padding: var(--spacing-xl);
    border-radius: 20px;
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    transition: all 0.4s ease;
}

.project-showcase:hover {
    border-color: rgba(0, 217, 255, 0.3);
    background: rgba(255, 255, 255, 0.04);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.05);
}

.project-showcase:last-child {
    margin-bottom: 0;
}

.project-showcase--reverse {
    direction: rtl;
}

.project-showcase--reverse>* {
    direction: ltr;
}

.project-showcase--coming-soon {
    opacity: 0.6;
    border-style: dashed;
}

.project-showcase-visual {
    position: relative;
}

.project-showcase-placeholder {
    width: 100%;
    aspect-ratio: 16 / 10;
    border-radius: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: transform 0.4s ease, box-shadow 0.4s ease;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.project-showcase:hover .project-showcase-placeholder {
    transform: scale(1.03);
    box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.showcase-emoji {
    font-size: 4rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.project-showcase-content {
    padding: var(--spacing-md) 0;
}

.project-category {
    display: inline-block;
    font-size: 0.75rem;
    font-weight: 700;
    letter-spacing: 2px;
    text-transform: uppercase;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
}

.project-showcase-title {
    font-size: clamp(1.5rem, 3vw, 2.2rem);
    font-weight: 700;
    margin-bottom: var(--spacing-md);
    line-height: 1.2;
}

.project-showcase-desc {
    color: var(--color-text-secondary);
    font-size: 1rem;
    line-height: 1.7;
    margin-bottom: var(--spacing-md);
}

.project-highlights {
    list-style: none;
    margin-bottom: var(--spacing-lg);
}

.project-highlights li {
    padding: 0.4rem 0;
    padding-left: 1.5rem;
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.5;
}

.project-highlights li::before {
    content: "•";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: 700;
    font-size: 1.2rem;
}

.project-showcase-footer {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: var(--spacing-md);
}

.project-showcase-link {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    color: var(--color-text-primary);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    border-bottom: 2px solid var(--color-primary);
    padding-bottom: 2px;
    transition: all 0.2s;
}

.project-showcase-link:hover {
    color: var(--color-primary);
}

.project-showcase-collab {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
}

.project-showcase-collab span {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-right: 0.25rem;
}

.project-showcase-collab a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.project-showcase-collab a:hover {
    color: var(--color-primary);
}

.coming-soon-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    background: rgba(0, 217, 255, 0.1);
    border: 1px solid rgba(0, 217, 255, 0.2);
    padding: 0.5rem 1.2rem;
    border-radius: 50px;
    font-weight: 600;
    font-size: 0.9rem;
    color: var(--color-primary);
    margin-top: var(--spacing-sm);
}

/* ===================================
   SKILLS SECTION
   =================================== */
.skills-section {
    background: var(--color-bg-primary);
    padding-bottom: var(--spacing-3xl);
}

.skills-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.skill-category {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
    transition: all var(--transition-base);
}

.skill-category:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
}

.skill-category-title {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-md);
    color: var(--color-primary);
}

.skill-list {
    list-style: none;
}

.skill-list li {
    padding: var(--spacing-xs) 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

.skill-list li::before {
    content: "✓";
    position: absolute;
    left: 0;
    color: var(--color-primary);
    font-weight: bold;
}

/* ===================================
   EXPERIENCE SECTION
   =================================== */
.experience-section {
    background: var(--color-bg-primary);
}

.experience-timeline {
    max-width: 900px;
    margin: 0 auto;
    position: relative;
}

.timeline-line {
    position: absolute;
    left: 40px;
    top: 0;
    bottom: 0;
    width: 3px;
    background: linear-gradient(180deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 3px;
    opacity: 0.3;
}

.timeline-dot {
    position: absolute;
    left: -50px;
    top: 32px;
    width: 16px;
    height: 16px;
    border-radius: 50%;
    background: var(--color-primary);
    border: 3px solid var(--color-bg-primary);
    box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.3);
    z-index: 1;
}

.experience-item {
    display: flex;
    gap: var(--spacing-lg);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    padding: var(--spacing-xl);
    border-radius: 16px;
    margin-left: 60px;
    position: relative;
    transition: all 0.3s ease;
}

.experience-item:hover {
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
    border-color: rgba(0, 217, 255, 0.3);
    transform: translateY(-2px);
}

.experience-logo {
    flex-shrink: 0;
    width: 80px;
    height: 80px;
    background: rgba(255, 255, 255, 0.85);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 8px;
}

.experience-logo-img {
    width: 100%;
    height: 100%;
    object-fit: contain;
    border-radius: 12px;
}

.experience-content {
    flex: 1;
}

.experience-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: var(--spacing-sm);
}

.experience-company {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text-primary);
    margin-bottom: 0.15rem;
}

.experience-location {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
}

.experience-period {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    white-space: nowrap;
}

.experience-position {
    margin-top: var(--spacing-md);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-border);
}

.experience-position:first-of-type {
    margin-top: 0;
    padding-top: 0;
    border-top: none;
}

.experience-position h4 {
    font-size: 1.15rem;
    font-weight: 600;
    margin-bottom: 0.15rem;
    color: var(--color-text-primary);
}

.experience-date {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.experience-description {
    color: var(--color-text-secondary);
    line-height: 1.5;
    margin-bottom: var(--spacing-sm);
}

.experience-subtitle {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-top: var(--spacing-sm);
    margin-bottom: 0.4rem;
}

.experience-tasks {
    list-style: none;
    margin-top: 0;
    margin-bottom: var(--spacing-sm);
}

.experience-tasks li {
    padding: 0.2rem 0;
    padding-left: var(--spacing-md);
    position: relative;
    color: var(--color-text-secondary);
    font-size: 0.95rem;
    line-height: 1.4;
}

.experience-tasks li::before {
    content: "→";
    position: absolute;
    left: 0;
    color: var(--color-primary);
}

.experience-tech-tags {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
    margin-top: var(--spacing-md);
}

.tech-tag {
    background: rgba(0, 217, 255, 0.1);
    color: var(--color-primary);
    padding: 0.35rem 0.75rem;
    border-radius: 50px;
    font-size: 0.8rem;
    font-weight: 500;
    border: 1px solid rgba(0, 217, 255, 0.2);
}

/* ===================================
   AWARDS SECTION
   =================================== */
.awards-section {
    background: var(--color-bg-primary);
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1100px;
    margin: 0 auto;
}

.award-card {
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    overflow: hidden;
    transition: all 0.3s ease;
}

.award-card:hover {
    transform: translateY(-4px);
    border-color: rgba(0, 217, 255, 0.3);
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
}

.award-image {
    width: 100%;
    height: 160px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.award-emoji {
    font-size: 3.5rem;
    filter: drop-shadow(0 4px 8px rgba(0, 0, 0, 0.3));
}

.award-info {
    padding: var(--spacing-md);
}

.award-title {
    font-size: 1.1rem;
    font-weight: 700;
    margin-bottom: 0.25rem;
    line-height: 1.3;
    color: var(--color-text-primary);
}

.award-source {
    font-size: 0.85rem;
    color: var(--color-primary);
    margin-bottom: var(--spacing-sm);
    font-weight: 500;
}

.award-desc {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    line-height: 1.6;
}

.award-collab {
    margin-top: var(--spacing-sm);
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    border-top: 1px solid var(--color-border);
    padding-top: var(--spacing-sm);
}

.award-collab span {
    font-weight: 600;
    color: var(--color-text-primary);
    margin-right: 0.25rem;
}

.award-collab a {
    color: var(--color-text-secondary);
    text-decoration: none;
    transition: color 0.2s;
}

.award-collab a:hover {
    color: var(--color-primary);
}

/* ===================================
   MEDIA / INSTAGRAM SECTION
   =================================== */
.media-section {
    background: var(--color-bg-primary);
}

.media-grid {
    display: flex;
    gap: var(--spacing-lg);
    max-width: 1200px;
    margin: 0 auto;
    overflow-x: auto;
    overflow-y: hidden;
    scroll-snap-type: x mandatory;
    scroll-behavior: smooth;
    -webkit-overflow-scrolling: touch;
    padding-bottom: var(--spacing-sm);
    scrollbar-width: none;
}

.media-grid::-webkit-scrollbar {
    display: none;
}

.media-item {
    flex: 0 0 min(400px, 85vw);
    scroll-snap-align: center;
    border-radius: 12px;
    overflow: hidden;
    box-shadow: 0 2px 16px rgba(0, 0, 0, 0.08);
    transition: box-shadow 0.3s ease;
}

.media-item:hover {
    box-shadow: 0 6px 24px rgba(0, 0, 0, 0.14);
}

.media-item .instagram-media {
    margin: 0 !important;
    width: 100% !important;
    max-width: 100% !important;
    min-width: unset !important;
}

.media-item iframe {
    border-radius: 0 !important;
}

/* Scroll indicators */
.media-dots {
    display: flex;
    justify-content: center;
    gap: 8px;
    margin-top: var(--spacing-md);
}

.media-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    background: #cbd5e0;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    padding: 0;
}

.media-dot.active {
    background: var(--color-primary);
    transform: scale(1.2);
}


/* ===================================
   SCROLL REVEAL ANIMATIONS
   =================================== */
.reveal {
    opacity: 0;
    transform: translateY(30px);
    transition: opacity 0.6s ease-out, transform 0.6s ease-out;
}

.reveal.active {
    opacity: 1;
    transform: translateY(0);
}

/* Staggered reveals */
.reveal:nth-child(2) {
    transition-delay: 0.1s;
}

.reveal:nth-child(3) {
    transition-delay: 0.2s;
}

.reveal:nth-child(4) {
    transition-delay: 0.3s;
}

/* ===================================
   ANIMATIONS & MICRO-INTERACTIONS
   =================================== */

/* Floating animation for hero */
@keyframes float {

    0%,
    100% {
        transform: translateY(0);
    }

    50% {
        transform: translateY(-10px);
    }
}

.hero-visual img {
    animation: float 4s ease-in-out infinite;
}

/* Pulsing timeline dots */
@keyframes pulse {

    0%,
    100% {
        box-shadow: 0 0 0 3px rgba(0, 217, 255, 0.3);
    }

    50% {
        box-shadow: 0 0 0 6px rgba(0, 217, 255, 0.15);
    }
}

.timeline-dot {
    animation: pulse 2.5s ease-in-out infinite;
}

/* Shimmer on gradient text */
@keyframes shimmer {
    0% {
        background-position: 0% 50%;
    }

    50% {
        background-position: 100% 50%;
    }

    100% {
        background-position: 0% 50%;
    }
}

.section-title {
    background-size: 200% 200%;
    animation: shimmer 6s ease-in-out infinite;
}

/* Subtle glow on profile image */
@keyframes glow {

    0%,
    100% {
        box-shadow: 0 0 30px rgba(0, 217, 255, 0.3);
    }

    50% {
        box-shadow: 0 0 50px rgba(0, 217, 255, 0.5);
    }
}

.profile-img {
    animation: glow 3s ease-in-out infinite;
}

/* Skill category hover glow */
.skill-category {
    transition: all 0.4s ease;
}

.skill-category:hover {
    box-shadow: 0 0 25px rgba(0, 217, 255, 0.08);
}

/* Social links bounce on hover */
.social-link {
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.social-link:hover {
    transform: translateY(-4px) scale(1.1);
}

/* Award card subtle rotation on hover */
.award-card {
    transition: all 0.4s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

/* Tech items pop */
.tech-item {
    transition: all 0.3s cubic-bezier(0.175, 0.885, 0.32, 1.275);
}

.tech-item:hover {
    transform: scale(1.15) translateY(-4px);
}

/* ===================================
   TECH STACK SECTION
   =================================== */
.tech-stack-section {
    background: var(--color-bg-primary);
}

.tech-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    gap: var(--spacing-md);
    max-width: 900px;
    margin: 0 auto;
    padding: var(--spacing-xl);
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--color-border);
    border-radius: 16px;
}

.tech-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: var(--spacing-sm);
    padding: var(--spacing-md);
    transition: all var(--transition-base);
}

.tech-item:hover {
    transform: scale(1.1);
}

.tech-icon {
    width: 48px;
    height: 48px;
    object-fit: contain;
}

.tech-name {
    font-size: 0.85rem;
    color: var(--color-text-secondary);
    font-weight: 500;
}

/* ===================================
   ABOUT SECTION
   =================================== */
.about-section {
    background: var(--color-bg-primary);
}

.about-content {
    max-width: 900px;
    margin: 0 auto;
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: var(--spacing-xl);
    align-items: start;
}

.about-image {
    position: sticky;
    top: var(--spacing-xl);
}

.profile-img {
    width: 100%;
    aspect-ratio: 1 / 1;
    object-fit: cover;
    border-radius: 50%;
    border: 4px solid var(--color-primary);
    box-shadow: 0 0 40px rgba(0, 217, 255, 0.3);
    transition: all var(--transition-base);
}

.profile-img:hover {
    transform: scale(1.05);
    box-shadow: 0 0 60px rgba(0, 217, 255, 0.5);
}

.about-text {
    color: var(--color-text-secondary);
    line-height: 1.8;
}

.about-greeting {
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--color-text-primary);
    margin-bottom: var(--spacing-md);
}

.about-text p {
    margin-bottom: var(--spacing-md);
}

/* ===================================
   CONTACT SECTION
   =================================== */
.contact-section {
    background: var(--color-bg-primary);
}

.contact-subtitle {
    text-align: center;
    color: var(--color-text-secondary);
    font-size: 1.1rem;
    margin-top: calc(var(--spacing-2xl) * -1);
    margin-bottom: var(--spacing-2xl);
}

.contact-methods {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: var(--spacing-lg);
    max-width: 1000px;
    margin: 0 auto;
}

.contact-card {
    background: rgba(255, 255, 255, 0.02);
    border: 1px solid var(--color-border);
    border-radius: 16px;
    padding: var(--spacing-xl);
    text-align: center;
    text-decoration: none;
    color: var(--color-text-primary);
    transition: all var(--transition-base);
}

.contact-card:hover {
    background: rgba(255, 255, 255, 0.05);
    border-color: var(--color-primary);
    transform: translateY(-4px);
}

.contact-icon {
    width: 64px;
    height: 64px;
    margin: 0 auto var(--spacing-md);
    background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-secondary) 100%);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
}

.contact-card h3 {
    font-size: 1.25rem;
    font-weight: 600;
    margin-bottom: var(--spacing-xs);
}

.contact-card p {
    color: var(--color-text-secondary);
    font-size: 0.95rem;
}

/* ===================================
   FOOTER
   =================================== */
.footer {
    background: var(--color-bg-primary);
    padding: var(--spacing-3xl) 0 var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-name {
    font-size: clamp(4rem, 15vw, 12rem);
    font-weight: 900;
    text-align: center;
    letter-spacing: -0.05em;
    line-height: 0.9;
    background: linear-gradient(135deg, rgba(0, 217, 255, 0.1) 0%, rgba(0, 128, 255, 0.1) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: var(--spacing-xl);
    user-select: none;
}

.footer-legal {
    text-align: center;
    padding-top: var(--spacing-lg);
    border-top: 1px solid var(--color-border);
}

.footer-copyright {
    color: var(--color-text-secondary);
    font-size: 0.9rem;
    margin-bottom: var(--spacing-sm);
}

.footer-links {
    display: flex;
    gap: var(--spacing-lg);
    justify-content: center;
    flex-wrap: wrap;
}

.footer-links a {
    color: var(--color-text-secondary);
    text-decoration: none;
    font-size: 0.9rem;
    transition: color var(--transition-base);
}

.footer-links a:hover {
    color: var(--color-primary);
}

/* ===================================
   RESPONSIVE DESIGN
   =================================== */
@media (max-width: 768px) {
    .about-content {
        grid-template-columns: 1fr;
        text-align: center;
    }

    .about-image {
        position: static;
        max-width: 200px;
        margin: 0 auto;
    }

    .project-showcase {
        grid-template-columns: 1fr;
        padding: var(--spacing-md);
    }

    .project-showcase--reverse {
        direction: ltr;
    }

    .awards-grid {
        grid-template-columns: 1fr;
    }

    .experience-item {
        flex-direction: column;
        margin-left: 0;
    }

    .timeline-line,
    .timeline-dot {
        display: none;
    }

    .experience-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.5rem;
    }

    .tech-grid {
        grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
    }

    .skills-grid {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 1.75rem;
    }

    .section {
        padding: var(--spacing-xl) 0;
    }

    .section-title {
        font-size: 1.75rem;
    }

    .footer-name {
        font-size: 3rem;
    }
}